Volvo TAD734GE - MID 128; 144, Ppid 132; Throttle Input Request Failure, DCU;CIU

Group 30: Electrical system Diagnostic Trouble Codes
97
MID 128 / 144, PPID 132
Throttle input request failure, DCU/CIU
MID 128: Engine control unit
MID 144: Control interface unit
FMI 3: The voltage exceeds the normal value or is
short circuited to higher voltage.
FMI 4: The voltage is less than the normal value or
is short circuited to battery negative.
FMI 9: Abnormal update rate
FMI Fault code explanation
3, 4 Faulty throttle potentiometer /
Faulty throttle potentiometer circuit
9 EMS2 is missing the throttle signal
Fault indication
DCU: Engine warning in DCU display.
CIU: Flashcode
Flash code
Electrical fault: 2.8
Value fault: None
Symptom
Engine goes to idle. If the accelerator is released at
first and then pressed down again the engine can be
forced to run using the idle contact.